Chances are, you’re probably familiar with the so-called “invisible gorilla,” a series of psychological studies. In the most well-known example, researchers show a video of people passing a basketball back and forth, and they ask viewers to keep track of how many times the ball is passed. When a man in a gorilla suit walks through the people playing the game, half of the respondents reported that they failed to notice it.

Chances are, you’re probably familiar with the so-called “invisible gorilla,” a series of psychological studies. In the most well-known example, researchers show a video of people passing a basketball back and forth, and they ask viewers to keep track of how many times the ball is passed. When a man in a gorilla suit walks through the people playing the game, half of the respondents reported that they failed to notice it.